    11/3/70
    DIRECTORY (V)

    NAME              format of directories

    SYNOPSIS

    DESCRIPTION       A directory behaves exactly  like  an  ordinary file, save
                      that  no  user  may write into a directory. The fact that a
                      file is a directory is indicated by  a  bit  in the flag word
                      of its i-node entry.

                      Directory  entries  are 8 words long. The first word is the
                      i-node of the file represented by the entry, if non-zero;
                      if zero, the entry is empty.

                      Words  1-4  represent  the  (8-character)  file name, space
                      padded on the right. These words are not necessarily
                      cleared for empty slots.

                      By convention, the first entry in each directory is
                      for "dd", which is  the  "directory  directory" that  holds
                      all the users' home directories and the "system" directory.
                      The "system" directory contains "init" and "sh".

    FILES

    SEE ALSO          file system format

    DIAGNOSTICS

    BUGS

    OWNER             ken, dmr